Barricade warning light testing device



FIG. 1 is a front elevational view of a barricade warning light testing device, showing my new design.

FIG. 2 is a left side elevational view thereof.

FIG. 3 is a right side elevational view thereof.

FIG. 4 is a rear elevational view thereof.

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a barricade warning light testing device, as shown. 